| Name | Meaning | Gender | Origin |
|---|
| Christian | annointed, follows Christ | Male | Greek |
| Christie | a Christian | Female | English |
| Christina | anointed | Female | Greek |
| Christine | anointed | Female | |
| Christopher | Christ-bearer | Male | Greek |
| Chuck | a man: variant of Carl.
| Male | English |
| Church | | Unisex | Hebrew |
| Cindy | Abbreviation of Cynthia and Lucinda.
| Female | English |
| Claire | bright, clear | Female | |
| Clark | cleric, scholar | Male | English |
| Claude | Lame.
| Male | |
| Claudette | Feminine of Claude.
| Female | |
| Claudia | Feminine of Claude.
| Female | Latin |
| Claudine | Feminine of Claude.
| Female | |
| Clay | adhere, mortal | Male | English |
| Clint | English, hilltop town | Male | English |
| Coby | Supplanter, Representative | Male | English |
| Cody | Helpful.
| Male | English |
| Cole | coal, victory of the people | Male | English |
| Collins | Abbreviation Of Nicholas People`S Victory. | Female | French |
| Colonel | Army, Air Force or Marine officer ranked above Lieutenant but below Brigadier. | Unisex | |
| Connor | lover of hounds | Male | Irish |
| Coon | | Unisex | Hebrew |
| Cooper | Barrel maker | Male | English |
| Cooter | | Unisex | Hebrew |